How does a client app identify a server app on another computer on the network?

The app installed on a computer listens @ a predetermined address that uniquely i.ds app on the computer; this address # called the port #, port / port address.

or is it subnet mask?

What are IP addresses called that begin with 10,172.161 or 192.168?

Private IP addresses

In what class is the IP address 185.75.255.10 ?

class b

In what class is the IP address 193.200.30.5?

class c

Describe the difference between public and private IP addresses. If a network is using private IP addresses, how can the computers on that network access the internet?

Public IP addresses are available for use on the Internet. private IP addresses are not allowed on the Internet. private IP addresses can still access the internet if a writer or other device that stands between the network and Internet is using NAT ( Network Address Translation).

Why is it unlikely that you will find the IP address 192.168.250.10 on the internet?

This is a private IP address not available on the network.

If no DHCP server is available when a computer configured for dynamic IP addressing connects to the network, what type of IP address is assigned to the computer?

Automatic Private IP Address (APIPA)

If a computer is found that have an IP address of 169.254.1.1, what can you assume about how it received that IP address?

It was unable to lease an IP address from the DHCP server

What are the last 64 bits of a IPv6 IP address called? How are these bits used?

interface ID or interface identifier

They uniquely identify an interface on the local link

Name at least three tunneling protocols that are used for IPv6 packets to travel over an IPv4 network.

ISATAP

teredo

6TO4

How is an IPv6 address used that begins with 2000::? That begins with FE80::?

2000:: global address can be routed

on the internet, these addresses are similar to IPv4 public IP addresses

FE80:: use for communicating with nodes in the same link

How many bits are in the Subnet ID block? What are the values of those bits for a link- local IP address?

16 bits-those 16 bits are all zeros in link-local

Which type of IPv6 address is used to create multiple sites within a large organization?

ULA Unique Local Address

What type of server serves up IP addresses to computers on a network?

DNS Domain Name System or Domain Name Service

Which TCP/IP protocol that manages packet delivery guarantees that delivery? Which protocol does not guarantee delivery, but is faster?

TCP Transmission Control Protocol

UDP User Datagram Protocol

At what port does an SMTP email server listen to receive email from a client computer?

port 25

Which protocol does a web server use when transmissions are encrypted for security?